Home / 538,966,565.80-808,810,973.66-189,213,672.65

Finding the Fourth Proportional to 538,966,565.80, 808,810,973.66 and 189,213,672.65

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Solution

The fourth proportional to 538,966,565.80, 808,810,973.66 and 189,213,672.65 is: 283,947,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,966,565.80 : 808,810,973.66 = 189,213,672.65 : x
  2. Step 2: Convert to fraction form
    538,966,565.80/808,810,973.66 = 189,213,672.65/x
  3. Step 3: Cross multiply
    538,966,565.80x = 808,810,973.66 × 189,213,672.65
  4. Step 4: Simplify right side
    538,966,565.80x = 153,038,094,806,805,536
  5. Step 5: Solve for x
    x = 153,038,094,806,805,536/538,966,565.80
  6. Step 6: Final answer
    x = 283,947,288.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.